Leak Lock® Gold is a state-of-the-art high-strength pipe joint sealant consisting of chemically resistant film formers, plasticizers, reinforcing fillers, solvents, and PTFE. Leak Lock® Gold is used for flare and compression fittings on mini splits and ductless A/C systems.
Leak Lock® Gold can be used on all metal or plastic materials, including but not limited to, aluminum, aluminum alloys, cast irons, copper, copper alloys, brass, bronze, etc., magnesium and magnesium alloys, carbon steels, stainless steels, galvanized surfaces, PVC, CPVC, ABS, fiberglass, black polypropylene, and kynar. Leak Lock® should be applied to threaded joints, flanged joints, gasket surfaces and all mating surfaces where a fluid-tight seal is required with added lubricity.